#!/usr/bin/env python
#
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import os

import TestSCons

_python_ = TestSCons._python_

test = TestSCons.TestSCons()



test.write('mytex.py', r"""
import getopt
import os
import sys
cmd_opts, args = getopt.getopt(sys.argv[1:], 'tx', [])
opt_string = ''
for opt, arg in cmd_opts:
    opt_string = opt_string + ' ' + opt
base_name = os.path.splitext(args[0])[0]
infile = open(args[0], 'rb')
out_file = open(base_name+'.dvi', 'wb')
out_file.write(opt_string + "\n")
for l in infile.readlines():
    if l[0] != '\\':
        out_file.write(l)
sys.exit(0)
""")

test.write('SConstruct', """
env = Environment(TEX = r'%(_python_)s mytex.py',
                  TEXFLAGS = '-x',
                  tools=['tex'])
env.DVI(target = 'test.dvi', source = 'test.tex')
""" % locals())

test.write('test.tex', r"""This is a test.
\end
""")

test.run(arguments = 'test.dvi', stderr = None)

test.fail_test(test.read('test.dvi') != " -x\nThis is a test.\n")



tex = test.where_is('tex')

if tex:

    test.file_fixture('wrapper.py')

    test.write('SConstruct', """
import os
ENV = { 'PATH' : os.environ['PATH'] }
foo = Environment(ENV = ENV, TEXFLAGS = '--output-comment Commentary')
tex = foo.Dictionary('TEX')
bar = Environment(ENV = ENV, TEX = r'%(_python_)s wrapper.py ' + tex)
foo.DVI(target = 'foo.dvi', source = 'foo.tex')
bar.DVI(target = 'bar', source = 'bar.tex')
""" % locals())

    tex = r"""
This is the %s TeX file.
\end
"""

    test.write('foo.tex', tex % 'foo.tex')

    test.write('bar.tex', tex % 'bar.tex')

    test.run(arguments = 'foo.dvi', stderr = None)

    test.fail_test(os.path.exists(test.workpath('wrapper.out')))

    test.fail_test(not os.path.exists(test.workpath('foo.dvi')))

    test.run(arguments = 'bar.dvi', stderr = None)

    test.fail_test(not os.path.exists(test.workpath('wrapper.out')))

    test.fail_test(not os.path.exists(test.workpath('bar.dvi')))

test.pass_test()

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